<div class='comment-input'>
    <div class='comment-field'>
      <span class='comment-field-name'>用户名：</span>
      <div class='comment-field-input'>
        <input value="\{{username}}" disabled/>
      </div>
    </div>
    <div class='comment-field'>
      <span class='comment-field-name'>评论内容：</span>
      <div class='comment-field-input'>
            <textarea value="{=content=}"/>
        </div>
    </div>
    <div class='comment-field-button'>
      <button on-click="submit">发布</button>
    </div>
</div>
